The document discusses the concepts of e-government, we-government, and government as a platform. It defines we-government as involving collaboration between government and citizens. Government as a platform means government provides tools and resources for citizens to solve problems and share ideas. Examples mentioned include NASA Clickworkers, Peer to Patent, Apps for Democracy, and SeeClickFix. The principles of Government 2.0 are outlined as being open by default, open to self-service, tapping outside wisdom, letting people experiment. Potential benefits discussed are lowered transaction costs, increased civic participation, and less deference to experts.